<div class="media" style="border-bottom: 1px solid #999; margin-bottom: 10px">
  <div class="align-self-start mr-3">
    <%= gravatar_for comment.user %>
  </div>
  <div class="media-body">
    <%= link_to comment.user.name, comment.user %>
    <p>
      <%= comment.content.html_safe %>
    </p>
    <p>
      <%= link_to '删除评论', [comment.article, comment], method: :delete %>
    </p>
  </div>
</div>